| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Lee Hee-joon | Jeon Soo-young | Smith & Wesson Model 66 | - |
| Song Joong-ki | Song Kook-hee | Colt Python | - |
| Song Joong-ki | Song Kook-hee | Zoraki R1 | - |
| Kim Jong-soo | Kook-hee's father | Smith & Wesson Model 581 | - |
| Cho Hyun-chul | Jae-ung | Colt Python | - |